elasticsearch aws code example

Example 1: what is query dsl in aws elasticsearch

{  "exists" : {    "field" : "title"  }}

Example 2: what is query dsl in aws elasticsearch

{   "filtered": {     "query": { "match": { "body": "Probability Theory" }},     "filter": {         "bool": {          "must": {            "range":  { "upvotes" : { "gt" : 20 } }            },          "must_not": { "term":  { "tag": "frequentist" } }        }     }  }}